Seudónimo Seudónimo
  • 31-03-2015
  • Mathematics
contestada

Simplify the following expression.

(43x + 62y) + (34x - 25y)

A.77x + 87y

B.105x + 87y

C.105x + 37y

D.77x + 37y

Respuesta :

Аноним Аноним
  • 31-03-2015
[tex](43x+62y)+(34x-25y)\ \ \ \ |use\ Commutative\ and\ Associative\ property\\\\=(43x+34x)+(62y-25y)\\\\=\boxed{77x+37y\to\boxed{D}}[/tex]

[tex]Commutative\ property:a+b=b+a\\\\Associative\ property:(a+b)+c=a+(b+c)[/tex]
Answer Link
eu99li
eu99li eu99li
  • 31-03-2015
(43x+62y)+(34x-25y)=
43x+62y+34x-25y=
43x+34x+62y-25y=
77x+37y
The answer is D.
Answer Link

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